JDCB连接ORACLE数据库代码

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package com.syxp.dns.common;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.apache.log4j.Logger;

/**
 * 数据库连接类
 * @author 常宝龙
 *
 */
public class JDBCConnection {

	//驱动名
	private static String ORACLE_DRIVER  = "oracle.jdbc.driver.OracleDriver";
	//连接路径
	private static String ORACLE_URL = "jdbc:oracle:thin:@192.168.1.189:1521:orcl";
	//用户名
	private static String ORACLE_USERNAME = "iams";
	//密码
	private static String ORACLE_PASSWORD = "Syxp1111";
	//连接参数
	private static Connection conn = null;
	//日志信息
	private static Logger logger = Logger.getLogger(JDBCConnection.class);
	
	/**
	 * 获取数据库连接
	 * @return
	 * @throws ClassNotFoundException
	 * @throws SQLException
	 */
	public Connection getConnection() throws ClassNotFoundException,SQLException{
		//加载驱动
		Class.forName(ORACLE_DRIVER);
		//得到连接
		conn = DriverManager.getConnection(ORACLE_URL, ORACLE_USERNAME, ORACLE_PASSWORD);
		logger.info("成功连接Oracle数据库");
		return conn;
	}
	
	/**
	 * 关闭数据库连接
	 * @param rs
	 * @param pstmt
	 * @param conn
	 */
	public void close(ResultSet rs , PreparedStatement pstmt , Connection conn) throws SQLException{
		if(rs!=null){
			rs.close();
		}
		if(pstmt!=null){
			pstmt.close();
		}
		if(conn!=null&&!conn.isClosed()){
			conn.close();
		}
		logger.info("成功关闭资源");
	}
	
	/**
	 * 测试方法
	 * @param args
	 */
	public static void main(String[] args) {
		JDBCConnection jdbcConnection = new JDBCConnection();
		try {
			jdbcConnection.getConnection();
			ResultSet rs  = null;
			PreparedStatement pstmt = null;
			jdbcConnection.close(rs, pstmt, conn);
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}